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2010 Results: Boulder, Colorado

This town report includes all data submitted to the town and to all postal codes associated with the town.

Other years: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012


Species [taxonomic]
[alphabetic]
Number of Birds   Number of Checklists
Reporting the Species
Canada Goose 634       9      
Mallard 41       3      
Canvasback 1       1      
Common Goldeneye 1       1      
Common Merganser 6       1      
Bald Eagle 2       2      
Sharp-shinned Hawk 4       3      
Cooper's Hawk 2       2      
Red-tailed Hawk 15       8      
Golden Eagle 3       3      
American Kestrel 4       4      
American Coot 40       1      
Ring-billed Gull 471       4      
Rock Pigeon 55       8      
Eurasian Collared-Dove 22       12      
Mourning Dove 2       2      
Great Horned Owl 5       4      
Downy Woodpecker 23       18      
Hairy Woodpecker 2       2      
Northern Flicker 57       32      
Steller's Jay 45       6      
Blue Jay 10       6      
Western Scrub-Jay 4       3      
Black-billed Magpie 64       20      
Clark's Nutcracker 1       1      
American Crow 164       15      
Common Raven 19       6      
Black-capped Chickadee 109       36      
Mountain Chickadee 38       11      
Bushtit 6       2      
Red-breasted Nuthatch 9       7      
White-breasted Nuthatch 17       9      
Pygmy Nuthatch 33       7      
Brown Creeper 4       4      
Ruby-crowned Kinglet 1       1      
Townsend's Solitaire 5       4      
American Robin 75       18      
European Starling 98       22      
Spotted Towhee 5       4      
American Tree Sparrow 36       8      
Song Sparrow 5       4      
White-crowned Sparrow 2       2      
Dark-eyed Junco 278       44      
Red-winged Blackbird 160       5      
Cassin's Finch 34       4      
House Finch 256       46      
Red Crossbill 8       1      
Pine Siskin 68       9      
American Goldfinch 62       14      
House Sparrow 61       15      
Total 3,067             

A total of 50 species were reported.

See a summary for Colorado.

This report was updated 15-Jan-2013 09:05 ET.